Haircutting-Theory And Practice. Practice: The details of the Bluffrint French is his mind, trainee Stanley knight takes up the scizzors and proceeds to demonstrate his newly acquired skill, under the watchful eye of the instructor. At the government training centre, Croydon, there are 16 disabled ex-servicemen undergoing a six-months course of instruction in haircutting, singeing, shaving, shampooing, Etc., to fit then for gentleman's hairdressing saloon duties. September 2, 1950. (Photo by E.C. Webb, Companion Picture).